The Switch,liquid Level, cataloged under National Stock Number 5930-01-127-8159, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Setra Systems, Inc. Dba Gems Sensors. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-127-8159 |
| Primary Part Number | A5320 |
| Item Name | Switch,liquid Level |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Setra Systems, Inc. Dba Gems Sensors |
| Status | ACTIVE |
| Relay | NOT INCLUDED |
| Actuation Method | BUOYANCY |
| Power Cable Length | 24.000 INCHES NOMINAL IN |
| Phase | SINGLE FIRST ALTERNATE OPERATING POWER RQMT |
| Phase | SINGLE SECOND ALTERNATE OPERATING POWER RQMT |
| Phase | SINGLE THIRD ALTERNATE OPERATING POWER RQMT |
| AC Voltage Rating | 240.0 VOLTS MAXIMUM THIRD ALTERNATE OPERATING POWER RQMT |
| AC Voltage Rating | 120.0 VOLTS MAXIMUM SECOND ALTERNATE OPERATING POWER RQMT |
| AC Voltage Rating | 50.0 VOLTS MAXIMUM FIRST ALTERNATE OPERATING POWER RQMT |
| Overall Diameter | 2.000 INCHES NOMINAL IN |
| Current Rating at Maximum Rated Voltage | 0.06 AMPERES RESISTIVE LOAD AND 0.04 AMPERES RESISTIVE LOAD |
| DC Voltage Rating | 240.0 VOLTS MAXIMUM THIRD ALTERNATE OPERATING POWER RQMT |
| DC Voltage Rating | 120.0 VOLTS MAXIMUM SECOND ALTERNATE OPERATING POWER RQMT |
| DC Voltage Rating | 50.0 VOLTS MAXIMUM FIRST ALTERNATE OPERATING POWER RQMT |
| Mounting Method | THREAD |
| Voltage Rating at Maximum Rated Current | 50.0 VOLTS |
| Contact Arrangement | SPST,NORMALLY CLOSED |
| Mounting Position | VERTICAL |
| Maximum Current Rating | 0.3 AMPERES RESISTIVE LOAD |
| Float Quantity | 1 |
| Tank Insertion Length | 17.000 INCHES NOMINAL IN |
| Operating Temp Rating | 0.0 FAHRENHEIT MINIMUM AND 300.0 FAHRENHEIT MAXIMUM DEGF |
| Mounting Dimensions | MTD BY ONE 2.000 IN. DIA NPT PLUG IN |
| Frequency Rating | 60.0 HERTZ NOMINAL FIRST ALTERNATE OPERATING POWER RQMT |
| Frequency Rating | 60.0 HERTZ NOMINAL SECOND ALTERNATE OPERATING POWER RQMT |
| Frequency Rating | 60.0 HERTZ NOMINAL THIRD ALTERNATE OPERATING POWER RQMT |
| Electrical Connection Type | CABLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A5320 PRIMARY | Setra Systems, Inc. Dba Gems Sensors (USA) |
| Reference | Meaning |
|---|---|
| LS-800-3-SS-SS | 5/1 Secondary reference Setra Systems, Inc. Dba Gems Sensors |
| LS-800-3-SS | 5/1 Secondary reference Setra Systems, Inc. Dba Gems Sensors |
NSN 5930-01-127-8159 is a Switch,liquid Level, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-127-8159 has 1 manufacturer part number on file: A5320 (Setra Systems, Inc. Dba Gems Sensors).
Key specifications for A5320: Relay: NOT INCLUDED; Actuation Method: BUOYANCY; Power Cable Length: 24.000 INCHES NOMINAL IN; Phase: SINGLE FIRST ALTERNATE OPERATING POWER RQMT. 27 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.